National Pizza Day 2021: Quotes To Celebrate The Cheesy Disc 02/09/21 AT 8:30 AM National Pizza Day is celebrated annually on Feb. 9 to honor everyone's favorite cheesy disc. Early pizzas featured toppings such as tomatoes, cheese, oil, anchovies and garlic. With time and people's changing tastes, it evolved to include several toppings such as ham, chicken, pineapple, eggs, mushrooms, onions, etc. Here are some quotes, courtesy Brainy Quotes, to share with all pizza lovers: 1. "There's no better feeling in the world than a warm pizza box on your lap." – Kevin James 2. "You better cut the pizza in four pieces because I'm not hungry enough to eat six." – Yogi Berra